Difference between revisions of "Streptanthella longirostris"
Fl. Rocky Mts., 364. 1917.
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| + | |code=F | ||
| + | |label=Illustrated | ||
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| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Arabis longirostris | |name=Arabis longirostris | ||
|authority=S. Watson | |authority=S. Watson | ||
| + | |rank=species | ||
| + | |publication_title=Botany (Fortieth Parallel), | ||
| + | |publication_place=17. 1871 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Euklisia longirostris | |name=Euklisia longirostris | ||
|authority=(S. Watson) Rydberg | |authority=(S. Watson) Rydberg | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Guillenia rostrata | |name=Guillenia rostrata | ||
|authority=Greene | |authority=Greene | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Streptanthella longirostris var. derelicta | |name=Streptanthella longirostris var. derelicta | ||
|authority=J. T. Howell | |authority=J. T. Howell | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Streptanthus longirostris | |name=Streptanthus longirostris | ||
|authority=(S. Watson) Jepson | |authority=(S. Watson) Jepson | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Thelypodium longirostris | |name=Thelypodium longirostris | ||
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|hierarchy=Brassicaceae;Brassicaceae tribe Thelypodieae;Streptanthella;Streptanthella longirostris | |hierarchy=Brassicaceae;Brassicaceae tribe Thelypodieae;Streptanthella;Streptanthella longirostris | ||
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name=Streptanthella longirostris | name=Streptanthella longirostris | ||
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|authority=(S. Watson) Rydberg | |authority=(S. Watson) Rydberg | ||
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|publication title=Fl. Rocky Mts., | |publication title=Fl. Rocky Mts., | ||
|publication year=1917 | |publication year=1917 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_1209.xml |
|tribe=Brassicaceae tribe Thelypodieae | |tribe=Brassicaceae tribe Thelypodieae | ||
|genus=Streptanthella | |genus=Streptanthella | ||
Latest revision as of 22:30, 5 November 2020
Stems often several, ascending distally, (1.2–)2–6(–7.5) dm. Basal leaves soon withered. Cauline leaves shortly petiolate or (distal) sessile; blade lanceolate to oblanceolate, or (distal) linear, 2–5.5(–6.5) cm × 3–10(–15) mm, (attenuate to petiolelike base), margins entire, dentate to sinuate, or pinnatifid, (distal cauline (1–)1.7–5.8(–7) cm × (0.7–)1.5–4(–7) mm, base cuneate to attenuate, margins entire, apex obtuse to acute). Fruiting pedicels usually curved, rarely straight, (1–)2–5(–7) mm. Flowers: sepals (2–)2.5–4(–5) × 0.7–1.5 mm; petals (3.5–)4–6(–7) × 0.7–1.1 mm, claw oblanceolate, 3–5 mm (longer than blade); filaments with at least dorsal pair exserted, (longest pair) 3–6 mm; anthers 0.5–1(–1.3) mm. Fruits slightly to strongly reflexed, sometimes secund, (2.5–)3.5–6(–7) cm × 1.5–2(–2.2) mm; valve apex adnate with style and replum, forming indehiscent tip, often 1-seeded; style (2–)3.5–6(–8) mm. Seeds light brown, 2–3 × 1–1.7(–2) mm; wing 0.3–0.7 mm wide. 2n = 28.
Phenology: Flowering early Jan-late Jun.
Habitat: Roadsides, rocky areas, sandy ridges, sagebrush and creosote bush deserts, dry slopes, dry washes, decomposed granitic soil, pinyon-juniper areas, alluvial fans, chaparral, sandstone gravel and outcrops, sandstone hills and cliffs
Elevation: 60-2200 m
Distribution
Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wash., Wyo., Mexico (Baja California, Sonora).
Discussion
Streptanthella longirostris is most widely distributed in southern California, Nevada, and southern and central Utah, and appears to be restricted elsewhere: Colorado (Mesa, Montezuma, Montrose, San Miguel), Idaho (Butte), Montana (Carbon), New Mexico (San Juan), Washington (Franklin, Grant), and Wyoming (Fremont, Natrona, Sweetwater, Uinta).
Selected References
None.